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Mask Candle Test BFE Test,Medical Mask Testing, Bacterial Filter Efficiency With Two Channel (A and B)
Product Details:
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Detailed Product Description
| Total Weight: | Approx.380kg | Data Storage Capacity: | Machine Power Consumption 100000 Set |
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| Spray Flow: | 8-10 L/Min |
Uses:
Suitable for medical device inspection centers, safety protection inspection centers, labor protection inspection centers, drug inspection centers, disease prevention and control centers, textile testing centers, hospitals, mask manufacturers, etc.
Purpose: To test the percentage of bacterial suspended particles filtered by the outlet hood at the specified flow rate
Standard reference
- YY0469-2011 "Medical Surgical Mask 4.6.1"
- YY / T 0969-2013 disposable medical masks 4.5
- EN14683 Medical face masks-Requirements and test methods
Technical parameters
| Technical parameters | Parameter range | Resolution | Maximum allowable error |
| Sampling flow of channel A | 28.3L/min | 0.1L/min | Better than ± 2.5% |
| Sampling flow of channel B | 28.3L/min | 0.1L/min | Better than±2.5% |
| Spray flow | (8~10)L/min | 0.1L/min | Better than±5.0% |
| Peristaltic pump flow | (0.006~3.0)mL/min | 0.001ml/min | Better than±2.5% |
| A-channel flowmeter front pressure | (-20~0)kPa | 0.01kPa | Better than±2.5% |
| B-channel flowmeter front pressure | (-20~0)kPa | 0.01kPa | Better than±2.5% |
| Pressure before spray flowmeter | (0~300)kPa | 0.1kPa | Better than±2.5% |
| Aerosol chamber negative pressure | (-90~-120)Pa | 0.1Pa | Better than±2.0% |
| Operating temperature | (0~50)ºC | ||
| Cabinet negative pressure | (-50~-200)Pa | ||
| Data storage capacity | >100000 set | ||
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